If second, fifth, seventh and ninth letters of the given word are changed to their second next letter as per alphabet series then all the letters are arranged as per alphabetical order within the letter, then how many letters in english alphabet series are there between the fourth letter from left end and sixth letter from right end? PROPHYLACTIC

If second, fifth, seventh and ninth letters of the given word are chan

1.	If second, fifth, seventh and ninth letters of the given word are changed to their second next letter as per alphabet series then all the letters are arranged as per alphabetical order within the letter, then how many letters in english alphabet series are there between the fourth letter from left end and sixth letter from right end? PROPHYLACTIC
A.	3
B.	4
C.	6
D.	5
E.	More than 6
Answer» E. More than 6